Home / 3,763.48-5,191.92-2,270.44

Finding the Fourth Proportional to 3,763.48, 5,191.92 and 2,270.44

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Solution

The fourth proportional to 3,763.48, 5,191.92 and 2,270.44 is: 3,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.48 : 5,191.92 = 2,270.44 : x
  2. Step 2: Convert to fraction form
    3,763.48/5,191.92 = 2,270.44/x
  3. Step 3: Cross multiply
    3,763.48x = 5,191.92 × 2,270.44
  4. Step 4: Simplify right side
    3,763.48x = 11,787,942.84
  5. Step 5: Solve for x
    x = 11,787,942.84/3,763.48
  6. Step 6: Final answer
    x = 3,132.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.